require File.expand_path('../../../spec_helper', __FILE__)

describe "File.mkfifo" do
  platform_is_not os: [:windows] do
    before do
      @path = tmp('fifo')
    end

    after do
      rm_r(@path)
    end

    context "when path passed responds to :to_path" do
      it "creates a FIFO file at the path specified" do
        File.mkfifo(@path)
        File.ftype(@path).should == "fifo"
      end
    end

    context "when path passed is not a String value" do
      it "raises a TypeError" do
        lambda { File.mkfifo(:"/tmp/fifo") }.should raise_error(TypeError)
      end
    end

    context "when path does not exist" do
      it "raises an Errno::ENOENT exception" do
        lambda { File.mkfifo("/bogus/path") }.should raise_error(Errno::ENOENT)
      end
    end

    it "creates a FIFO file at the passed path" do
      File.mkfifo(@path.to_s)
      File.ftype(@path).should == "fifo"
    end

    it "creates a FIFO file with passed mode & ~umask" do
      File.mkfifo(@path, 0755)
      File.stat(@path).mode.should == 010755 & ~File.umask
    end

    it "creates a FIFO file with a default mode of 0666 & ~umask" do
      File.mkfifo(@path)
      File.stat(@path).mode.should == 010666 & ~File.umask
    end

    it "returns 0 after creating the FIFO file" do
      File.mkfifo(@path).should == 0
    end
  end
end
